/*
 * Datart
 * <p>
 * Copyright 2021
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package datart.core.data.provider;

import lombok.Data;
import org.springframework.util.CollectionUtils;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

@Data
public class Dataframes implements Serializable {

    private final String key;

    private final List<Dataframe> dataframes;

    private Dataframes(String key) {
        this.key = "DB" + key;
        dataframes = new ArrayList<>();
    }

    public boolean isEmpty() {
        return CollectionUtils.isEmpty(dataframes);
    }

    public static Dataframes of(String key, Dataframe... dataframes) {
        Dataframes df = new Dataframes(key);
        if (dataframes != null) {
            for (Dataframe dataframe : dataframes) {
                df.getDataframes().add(dataframe);
            }
        }
        return df;
    }

    public void add(Dataframe df) {
        dataframes.add(df);
    }

    public int size() {
        return dataframes.size();
    }
}